Table 1.
Demographic characteristics and anthropometrics of the SFF subjects by parental life events stress category† (n=273).
| Characteristic | Low Stress (n=238) | High Stress (n=45) | All (n=273) |
|---|---|---|---|
| N(%)* | N(%)* | N(%)* | |
| Maternal Life Stressors | |||
| 0 | 125 (56) | . | 125 (46) |
| 1 | 81 (36) | 5 (11) | 86 (32) |
| 2 or more | 19 (8) | 40 (89) | 59 (22) |
| Paternal Life Stressors | |||
| 0 | 133 (59) | . | 133 (49) |
| 1 | 76 (34) | 4 9) | 80 (30) |
| 2 or more | 16 (7) | 41 (91) | 57 (21) |
| Study Center | |||
| California | 43 (19) | 18 (40) | 61 (22) |
| Minnesota | 108 (47) | 12 (27) | 120 (44) |
| Missouri | 77 (34) | 15 (33) | 92 (34) |
| Baby Race | |||
| White | 188 (82) | 29 (64) | 217 (80) |
| Other | 40 (18) | 16 (36) | 56 (20) |
| Maternal education | |||
| Less than College | 18 (8) | 10 (22) | 28 (10) |
| College or more | 210 (92) | 35 (78) | 245 (90) |
| Mean (Min-Max) | Mean (Min-Max) | Mean (Min-Max) | |
| Baby Age (months) | 16.4 (2–36) | 16.6 (2–37) | 16.4 (2–37) |
| Height (cm) | 78.6 (57–97) | 78.1 (58–95) | 78.5 (57–97) |
| Weight (kg) | 10.2 (4–17) | 10.7 (5–19) | 10.3 (4–19) |
| Maternal Age at Birth | 30.1 (18–40) | 28.6 (19–41) | 29.9 (18–41) |
| Paternal Age at Birth | 32.0 (18–53) | 31.9 (21–48) | 32.0 (18–53) |
| Boys: M-AGD-AS (mm) | 37.3 (21–56) | 35.7 (22–51) | 37.0 (21–56) |
| Boys: M-AGD-AP (mm) | 69.9 (42–104) | 70.4 (48–98) | 70.0 (42–104) |
| Girls: F-AGD-AF (mm) | 19.9 (9–37) | 22.8 (16–30) | 20.3 (9–37) |
| Girls: F-AGD-AC (mm) | 46.7 (27–66) | 50.4 (41–65) | 47.2 (27–66) |
†
High stress= parents collectively report 4 or more life events stressors during pregnancy. Low stress=parents collectively report fewer than 4 life events stressors during pregnancy.
*
Percentages may not add up to 100 due to rounding.